package com.mycode.netty;

import lombok.extern.slf4j.Slf4j;

import java.util.concurrent.*;

/**
 * @auther yuanpengtao
 * @email 1294776572@qq.com
 * @data 2024/4/9 21:37
 */
@Slf4j
public class TestJdkFuture {

    public static void main(String[] args) throws ExecutionException, InterruptedException {

        // 1.线程池
        ExecutorService service = Executors.newFixedThreadPool(2);
        // 2.提交任务
        Future<Integer> future = service.submit(new Callable<Integer>() {

            @Override
            public Integer call() throws Exception {
                log.debug("执行计算");
                Thread.sleep(1000);
                return 50;
            }
        });

        // 3. 主线程通过 future 来获取结果
        log.debug("等待结果");
        log.debug("结果是 {}", future.get());

    }
}
